Effects of epinephrine and vasopressin on end-tidal carbon dioxide tension and mean arterial blood pressure in out-of-hospital cardiopulmonary resuscitation: an observational study

Table 1 Utstein reporting for cardiopulmonary resuscitation in epinephrine and vasopressin groups

CPR data	Epinephrine group	Vasopressin group	p value^a
Resuscitation attempts	n = 452	n = 146
First monitored rhythm
Shockable	175/452 (39%)	70/146 (48%)	0.22
VF	153/452 (34%)	62/146 (42%)
VT	22/452 (5%)	8/146 (5%)
Non-shockable	277/452 (61%)	76/146 (52%)	0.28
Asystole	183/452 (40%)	44/146 (30%)
PEA	94/452 (21%)	32/146 (22%)
Location of arrest
Home	235/452 (52%)	76/146 (52%)	0.91
Public place	172/452 (38%)	55/146 (38%)
Other	45/452 (10%)	15/146 (10%)
Arrest witnessed
By lay persons	277/452 (61%)	98/146 (67%)	0.67
By health care personnel	40/452 (9%)	16/146 (11%)
Arrest not witnessed	135/452 (30%)	32/146 (22%)
Etiology
Presumed cardiac	307/452 (68%)	98/146 (67%)	0.69
Trauma	10/452 (2%)	7/146 (5%)
Submersion	21/452 (5%)	7/146 (5%)
Respiratory	41/452 (9%)	15/146 (10%)
Other non-cardiac	36/452 (8%)	11/146 (8%)
Unknown	37/452 (8%)	8/146 (6%)
Outcome (number)
Any ROSC	262/452 (58%)	98/146 (67%)	0.04
ROSC and admission to hospital	207/452 (46%)	91/146 (62%)	0.01
Survived 24 hours	157/452 (35%)	75/146 (51%)	0.02
Discharged alive	90/452 (20%)	36/146 (25%)	0.19

^aBy Fisher exact test. CPR, cardiopulmonary resuscitation; PEA, pulseless electrical activity; ROSC, restoration of spontaneous circulation; VF, ventricular fibrillation; VT, ventricular tachycardia without pulse.

ISSN: 1364-8535